Forum der Vereinigung der Sternfreunde

COMET P/2021 R5 (Rankin)


A71 Stixendorf. Observers M. Jaeger, E. Prosperi, S. Prosperi. Measurer M.
Jaeger. 0.3-m f/4.0 reflector + CCD.

Orbital elements:
P/2021 R5 (Rankin)
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5
T 2022 Jan. 9.97761 TT Rudenko
q 3.3257695 (2000.0) P Q
n 0.09374491 Peri. 166.93060 +0.89035656 -0.44672396
a 4.7992229 Node 219.97941 +0.40444691 +0.86464469
e 0.3070192 Incl. 7.85106 +0.20901651 +0.22984182
P 10.5
From 66 observations 2021 June 22-Sept. 11, mean residual 0".4.

P/2021 R5 (Rankin)
Epoch 2032 July 27.0 TT = JDT 2463440.5
T 2032 July 16.31365 TT Rudenko
q 3.3248763 (2000.0) P Q
n 0.09376101 Peri. 167.29473 +0.88738368 -0.45259728
a 4.7986733 Node 219.99388 +0.41014033 +0.86194778
e 0.3071259 Incl. 7.85022 +0.21055907 +0.22847697
P 10.5
From 66 observations 2021 June 22-Sept. 11, mean residual 0".4.

P/2021 R5 (Rankin)
Epoch 2021 July 5.0 TT = JDT 2459400.5
T 2022 Jan. 9.55990 TT Rudenko
q 3.3259815 (2000.0) P Q
n 0.09355352 Peri. 166.83814 +0.89091244 -0.44561626
a 4.8057660 Node 220.00033 +0.40335464 +0.86512511
e 0.3079186 Incl. 7.84674 +0.20875839 +0.23018404
P 10.5
From 66 observations 2021 June 22-Sept. 11, mean residual 0".4.

MPEC 2021-R257 (2021 September 11)

_________________
Michael Möller (MMI)

auch cbet 5035.
19.5 mag am 9. September

_________________
Uwe Pilz, Fachgruppen Kometen und Astrophysik/Algorithmen.
Oft benutzte Instrumente: Fujinon 16x70 FMT-SX-2, TMB Apo 105/650, Skywatcher Evostar 120/900 ED, Ninja Dobson 320/1440, Smartscope Dwarf-3